By Diane Teare
Licensed Self-Study advisor Designing for Cisco Internetwork suggestions (DESGN) moment version origin studying for CCDA examination 640-863 Designing for Cisco Internetwork strategies (DESGN), moment version, is a Cisco®-authorized, self-paced studying instrument for CCDA® origin studying. This publication offers you the information had to layout company networks. via interpreting this booklet, you'll achieve a radical realizing of designing routed and switched community infrastructures and prone inside of a modular structure. In Designing for Cisco Internetwork options (DESGN), moment version, you are going to examine a extensive diversity of community layout rules and guidance. you'll know about community layout within the context of the Cisco Service-Oriented community structure (SONA) framework and the Cisco company structure. particular issues comprise campus and knowledge middle infrastructure, distant connectivity, IP addressing layout, routing protocol choice, voice community layout, instant community layout, and together with safeguard on your designs. An ongoing case examine plus chapter-ending evaluate questions illustrate and aid solidify the recommendations provided within the booklet. even if you're getting ready for CCDA certification or just are looking to achieve a greater figuring out of community layout rules, you'll enjoy the starting place details provided during this publication. Designing for Cisco Internetwork recommendations (DESGN), moment variation, is a part of a prompt studying course from Cisco that incorporates simulation and hands-on education from approved Cisco studying companions and self-study items from Cisco Press. to determine extra approximately instructor-led education, e-learning, and hands-on guideline provided through approved Cisco studying companions all over the world, please stopover at www.cisco.com/go/authorizedtraining. Diane Teare is a certified within the networking, education, and e-learning fields. She has greater than two decades of expertise in designing, enforcing, and troubleshooting community and software program and has additionally been interested in instructing, direction layout, and undertaking administration. She has large wisdom of community layout and routing applied sciences and is an teacher with one of many greatest licensed Cisco studying companions. comprehend the Cisco imaginative and prescient of clever networks and the SONA framework constitution and modularize community designs in the Cisco company structure layout uncomplicated campus and knowledge heart networks construct designs for distant connectivity with WAN applied sciences Create IPv4 addressing schemes comprehend IPv6 layout decide upon the correct routing protocol for numerous modules within the Cisco company structure layout simple VoIP and IP telephony networks comprehend instant layout ideas construct safety into your community designs This quantity is within the Certification Self-Study sequence provided through Cisco Press®. Books during this sequence supply formally constructed self-study options to assist networking pros comprehend know-how implementations and get ready for the Cisco occupation Certifications examinations. type: Cisco Press—Network layout Covers: CCDA examination 640-863
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Licensed Self-Study consultant Designing for Cisco Internetwork options (DESGN) moment version origin studying for CCDA examination 640-863 Designing for Cisco Internetwork ideas (DESGN), moment version, is a Cisco®-authorized, self-paced studying instrument for CCDA® starting place studying. This booklet provide you with the information had to layout company networks.
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Extra resources for Designing for Cisco Internetwork Solutions (DESGN) (Authorized CCDA Self-Study Guide) (Exam 640-863) (2nd Edition)
NOTE The path that the router determines is the best depends on the routing protocol in use. For example, some routing protocols deﬁne best as the path that goes through the fewest other routers (the fewest hops), whereas others deﬁne best as the path with the highest bandwidth. For example, in the network shown in Figure 1-13, the metric used is hops—the number of other routers between this router and the destination network. Both routers know about all three networks. Router X, on the left, knows about networks A and B because it is connected to them (hence the metric of 0) and knows about network C from Router Y (hence the metric of 1).
A unique IP address—a logical address—is assigned to each interface of each device in the network. ” NOTE Two versions of IP currently exist: IP version 4 (IPv4) and the emerging IP version 6 (IPv6). In this book, the term IP refers to IPv4. ” ■ Internet Control Message Protocol (ICMP): Sends messages and error reports through the network. For example, the ping application included in most TCP/IP protocol suites sends an ICMP echo message to a destination, which then replies with an ICMP echo reply message.
Data (variable): The upper-layer (transport layer) data. TCP/IP-Related Data Link Layer Protocol The TCP/IP data link layer corresponds to the OSI data link layer. It includes the Address Resolution Protocol (ARP) to request the MAC address (the data link layer physical address) for a given IP address. The returned MAC address is used as the destination address in the frames that encapsulate the packets of data being routed to the destination IP address. Routing This section examines how routers work and introduces routing tables and routing protocols.